NEW YORK, Sept 11- Small- and mid-cap shares were outperforming the major U.S. stocks indexes on Thursday, boosted by shares of JDS Uniphase Corp and GT Advanced Technologies Inc.. JDS Uniphase shares were up 10.2 percent, giving the mid-cap index its biggest boost.

NEW YORK, Sept 11- U.S. stocks were lower on Thursday, with biotechnology shares among the weakest of the day as investors continued to take profits. Celgene Corp was the biggest decliner on the S&P 500, off 3 percent at $91.28, while Vertex Pharmaceuticals was down 2.3 percent at $92.60.

Shares of Nabors Industries dipped 2.4 percent and shares of Chesapeake Energy fell 2.1 percent. "If you look at the price action it the energy/commodity space, the market seems to be tracking that pretty closely," said Art Hogan, chief market strategist at Wunderlich Securities in New York.

NEW YORK, Sept 11- U.S. stocks fell on Thursday, dropping in a broad decline that saw the number of companies hitting 52- week lows outnumber the companies hitting highs for the first time since early August.

NEW YORK, Sept 11- U.S. stocks were lower in early trading Thursday as a weak jobless claims data pushed investors to continue taking profits in a market that had rallied to repeated records. The day's losses were modest but broad, with nine of the ten primary S&P 500 sectors lower.

NEW YORK, Sept 11- JDS Uniphase and Lululemon Athletica Inc were among the biggest premarket movers on Thursday, with both companies moving on heavy volume and on track for their biggest one-day jumps in years.

Sept 10- Network gear maker JDS Uniphase said on Wednesday it would split into two separate public companies as it looks to expand in the data communication market and strengthen its network business. The company's shares rose 11.5 percent after the bell.

Sept 10- Network gear maker JDS Uniphase said on Wednesday it would split into two separate public companies as it looks to expand in the data communication market and strengthen its network business. The company's shares rose 11.5 percent after the bell.

Ciena Corp and Finisar Corp last week joined their peers in forecasting a weak current quarter, citing delays on closing sales to customers in North America. AT&T is set to buy DirecTV for $48.5 billion and Deutsche Telekom AG is seeking buyers for T-Mobile US Inc after the collapse of a sale to Sprint- which itself was bought last year by Japan's Softbank Corp..